Select Bright Baby Board Books are on sale for $2.49 at Amazon right now. That's 50% off the list price of $4.99! Some may stay temporarily out of stock, but you can still order and get this great low price once back in stock.
Shipping is free with Amazon Prime or if you spend enough to get free economy shipping (usually $25 or $35).
See all posted Amazon book deals! Remember, Amazon prices flip fast. If you see something you like at a price that works for you, you may want to buy it in case the cost goes up.